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0580/13 May/Jun 2021, Question 22: Similar Triangles

Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks

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The question, in short

Triangles ABC and DEF are similar; AC = 28 cm, BC = 34 cm and EF = 85 cm. Calculate the length DF.

Summarised in our own words. Use the official paper for the exact wording and the diagram.

Solution · 2 marks

  1. 1DF/28 = 85/34
  2. 2DF = 28 × 85/34 = 28 × 2.5
  3. 3= 70 cm

Answer70

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